Onkyo TX-NR838 Service Manual page 35

A B
SCHEMATIC DIAGRAMS-9
DISPLAY SECTION
MODEL NO.TX-NR838 SCHEMATIC DIAGRAM (PART-9)
1
DISPLAY SECTION
BADIS-1543
DISPLAY
*Reference No. Allocation:7500-7999
FLAC1
+3.3V
FLAC1
SEC3_2
FLAC2
2
+3 3V
FLAC2
*Q7512
NC
Mid_VH
R7561
100
*R7516
3
10k
2
*R7517
1
10k
R7560
*Q7506
3
2.2k KRA107S
Chassis GND
FLDRST
FLDCS
FLDSDO
FLDCLK
4
FLDCLK
FLDSDO
FLDCS
KEYINT0
FLDRST
KEYINT1
REMIN
+3 3S
KEY3
VOLA
KEY2
VOLB
LEDVOL
GND_DG
AUX_V
BU2090F_DATA
GNDV_AUX
BU2090F_CLK
LEDTHRU
5
KEY1
FLPOWER
KEY0
+5V_DIS
LEDTHRU
+5V_DIS
LEDVOL
+3 3V_VDD
VOLA
VOLB
GND_DG
6
KEY0_1
GND DG
+5V_LED
KEY0
LEDPURE
+5V_DIS
FLPOWER
+3.3S
+3.3V_VDD
7
+15V
MICDET
-15V
AUX_L
MICOUT R7529
0
GND_AUX
Q7533
AUX_R RN2403
8
C D
U0040
SIGN0011044
*D7500
DZ2J082M0L
VP/VH
VP/VH
*Q7510
2SC2712-GR
*R7507
1.5k
Q7511
KRC107S
Q7505 KEYINT0
KTC3875-GR
KEY0_1
R7505
220
KEYINT1
KEY1
+5V_DIS
J7510
Q7521
NC
+5V_LED
Q7522 R7527 KEY2
R7528 NC
0 R7524
R7522
NC NC
NC
Q7520
1 VDD 16
GND
R7520 100 2 Q11 15 +5V CTRL
DATA
3 Q10 14
R7521 100 VPCON2
CLOCK
4 Q9 13 LEDATM_1
Q0
5 Q8 12
Q1
6 Q7 11 LEDWIFI KEY3
Q2
7 Q6 10
LEDBT
Q3
MICMUTE 8 Q5 9 LEDPURE
Q4
BU2090F-E2
MICMUTE
TX-NR838
E F
*Q7501
16-BT-168GNK
SG21 SG4
17 64
SG22 SG3
18 63
SG23 SG2
19 62
SG24 SG1
20 61
SG25 AD1 NC
21 60
SG26 AD2 NC
22 59
SG27 P2 NC
23 58
SG28 ML9208A-13GA P1 NC
24 57
SG29 VDD
25 *Q7502 56
SG30 DA
26 55
SG31 CP
27 54
SG32 CS
28 53
SG33 RSTB
29 52
SG34 OSC1
30
51
SG35 OSC0
31 50
GR1 GND
32 49
FLDRST
FLDCS
FLDCLK
FLDSDO
GND_DG
+3.3V_VDD
AUX_V
GNDV_AUX
R7602 R7603 R7604 R7605 R7606 R7607 R7608
330 470 560 820 1.2k 2.2k
R7611 R7612 R7613 R7614 R7615 R7616 R7617 R7618
270 330 470 560 820 1.2k
2.2k
R7621 R7622 R7623 R7624 R7625 R7626 R7627 R7628
270 330 470 560 820 1.2k 2.2k
R7631 R7632 R7633 R7634 R7635 R7636 R7637 R7638
270 330 470 560 820 1.2k 2.2k
+15V
MICDET
-15V
AUX_L
MICOUT
AUX_R
G H
*C7500
104Z
25V
R7500
220
R7511 220
R7512 220
R7513 3.3k
R7514 3 3k
*R7510
3.3k
R7609
3.9k 12k
R7619
3.9k 12k
R7559
R7629 NC
R7545 R7557 Q7534
3.9k 12k
220 270 NJM4580M-D 8 5
+
C7541
AUX_L 7 +V
OUT
10u 50V
6
- C7539
10u 35V
Q7534
3
NJM4580M-D
+ C7540
R7639
1
OUT
-V 2 10u 35V
3.9k 12k
C7542 -
AUX_R 4
R7546 R7556 10u 50V
220 270
R7558
NC
8 5
Q7530
+
NJM4580M-D 7 +V
OUT
6
-
R7537
33k
C7538
R7538 C7537
R7539
470 330J 50V 3
0 10u 35V
+
1
OUT
Q7530 -V 2
-
NJM4580M-D
4
Q7535
NC
TX-NR838
I J K
GNDV AUX 1
2
VIDEO
AUX_V 3
4
5
L-ch
R7541
6
330 7
8
R-ch
R7542
9
330
P7522
NPJ-3PDB735
Chassis GND
MICDET
C7535 R7531
MIC_IN
10u 50V 330 GND_AUX